/*********************************************************************
 *
 * Copyright (C) 2004, University of New South Wales
 *
 * File path:     bench/pingpong/crt0-arm.S
 * Description:   Startup code for ARM family processors.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 * $Id: crt0-arm.S,v 1.1.4.2 2004/04/21 04:21:50 htuch Exp $
 *
 ********************************************************************/

#include <config.h>
#include <l4/arm/asm.h>

BEGIN_PROC(_start)
	ldr     sp,     2f

        bl      __L4_Init

        bl      main

2:	.word	_sigma0_stack_top
END_PROC(_start)

/* exreg to here */
.global _exreg_target
_exreg_target:
    ldr     r0, [sp, #0]    /* load IP off the stack */
    mov     pc, r0          /* jump to the IP */


.align
_sigma0_stack:
	.space	8192
_sigma0_stack_top:
